ATE239387T1 - HIGH TEMPERATURE/ULTRA HIGH PRESSURE STERILIZATION OF LOW ACID FOOD - Google Patents

HIGH TEMPERATURE/ULTRA HIGH PRESSURE STERILIZATION OF LOW ACID FOOD

Info

Publication number
ATE239387T1
ATE239387T1 AT96945769T AT96945769T ATE239387T1 AT E239387 T1 ATE239387 T1 AT E239387T1 AT 96945769 T AT96945769 T AT 96945769T AT 96945769 T AT96945769 T AT 96945769T AT E239387 T1 ATE239387 T1 AT E239387T1
Authority
AT
Austria
Prior art keywords
temperature
ultra
food
low acid
pressure
Prior art date
Application number
AT96945769T
Other languages
German (de)
Inventor
Michael J Wilson
Robert Baker
Original Assignee
Kal Kan Foods
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24288795&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE239387(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kal Kan Foods filed Critical Kal Kan Foods
Application granted granted Critical
Publication of ATE239387T1 publication Critical patent/ATE239387T1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/30—Preservation of foods or foodstuffs, in general by heating materials in packages which are not progressively transported through the apparatus
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/10—Preservation of foods or foodstuffs, in general by treatment with pressure variation, shock, acceleration or shear stress
    • A23B2/103—Preservation of foods or foodstuffs, in general by treatment with pressure variation, shock, acceleration or shear stress using sub- or super-atmospheric pressures, or pressure variations transmitted by a liquid or gas
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B4/00—Preservation of meat, sausages, fish or fish products
    • A23B4/005—Preserving by heating
    • A23B4/0053—Preserving by heating with gas or liquids, with or without shaping, e.g. in form of powder, granules or flakes
    • A23B4/0056—Preserving by heating with gas or liquids, with or without shaping, e.g. in form of powder, granules or flakes with packages, or with shaping in the form of blocks or portions
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
    • A23B7/005—Preserving by heating
    • A23B7/0053—Preserving by heating by direct or indirect contact with heating gases or liquids
    • A23B7/0056—Preserving by heating by direct or indirect contact with heating gases or liquids with packages

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

Method for sterilizing low acid foods using both ultra-high pressures and high temperatures. The instantaneous change that occurs when pressure is applied combines a high-temperature short-time process with ultra-high pressure to deliver a fast and therefore gentle thermal process to a pre-packaged product. The process involves heating a low acid food to a pre-pressurized temperature, subjecting the food to ultra-high pressure, which instantaneously raises the temperature of the food, and then releasing the pressure so that the temperature returns to the original pre-pressurized temperature. The method leverages the adiabatic temperature rise which occurs when the food is hydrostatically pressurized, coupled with the lethality of the pressure, to achieve appropriate sterilization conditions. The disclosure also includes low acid foods which have been sterilized using both ultra-high pressures and high temperatures. <IMAGE>
AT96945769T 1995-12-14 1996-12-02 HIGH TEMPERATURE/ULTRA HIGH PRESSURE STERILIZATION OF LOW ACID FOOD ATE239387T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/572,656 US6086936A (en) 1995-12-14 1995-12-14 High temperature/ultra-high pressure sterilization of foods
PCT/IB1996/001500 WO1997021361A1 (en) 1995-12-14 1996-12-02 High temperature/ultra-high pressure sterilization of low acid foods

Publications (1)

Publication Number Publication Date
ATE239387T1 true ATE239387T1 (en) 2003-05-15

Family

ID=24288795

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96945769T ATE239387T1 (en) 1995-12-14 1996-12-02 HIGH TEMPERATURE/ULTRA HIGH PRESSURE STERILIZATION OF LOW ACID FOOD

Country Status (13)

Country Link
US (2) US6086936A (en)
EP (2) EP0866667B1 (en)
JP (1) JP3672931B2 (en)
AT (1) ATE239387T1 (en)
AU (1) AU711708B2 (en)
BR (1) BR9611951A (en)
CA (1) CA2239291C (en)
DE (1) DE69628032T2 (en)
DK (1) DK0866667T3 (en)
ES (1) ES2198507T3 (en)
PT (1) PT866667E (en)
RU (1) RU2174361C2 (en)
WO (1) WO1997021361A1 (en)

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Also Published As

Publication number Publication date
JP2000501612A (en) 2000-02-15
DE69628032D1 (en) 2003-06-12
PT866667E (en) 2003-09-30
EP0866667A4 (en) 1999-03-31
EP0866667A1 (en) 1998-09-30
RU2174361C2 (en) 2001-10-10
EP1295537A2 (en) 2003-03-26
DE69628032T2 (en) 2004-02-26
BR9611951A (en) 1999-12-28
CA2239291A1 (en) 1997-06-19
WO1997021361A1 (en) 1997-06-19
EP1295537A3 (en) 2003-09-24
JP3672931B2 (en) 2005-07-20
DK0866667T3 (en) 2003-06-16
EP0866667B1 (en) 2003-05-07
US6086936A (en) 2000-07-11
ES2198507T3 (en) 2004-02-01
US6207215B1 (en) 2001-03-27
CA2239291C (en) 2005-04-12
AU1806797A (en) 1997-07-03
AU711708B2 (en) 1999-10-21

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